foo.c: In function 'main':
foo.c:14:17: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[10000]' [-Wformat=]
   14 |         scanf("%s", &s1);
      |                ~^   ~~~
      |                 |   |
      |                 |   char (*)[10000]
      |                 char *
foo.c:15:17: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[10000]' [-Wformat=]
   15 |         scanf("%s", &s2);
      |                ~^   ~~~
      |                 |   |
      |                 |   char (*)[10000]
      |                 char *

[Hydro](https://hydro.ac)提供评测服务